[iOS] [Objective-C] How to update a widget from an Objective-C app

import WidgetKit
    
    @available(iOS 14.0, *)
    @objcMembers final class WidgetKitHelper: NSObject {

          class func reloadAllWidgets(){
 
            #if arch(arm64) || arch(i386) || arch(x86_64)
            WidgetCenter.shared.reloadAllTimelines()
            #endif

          }
    }

#import "Product name-Swift.h"

    if (@available(iOS 14.0, *)) {
        [WidgetKitHelper reloadAllWidgets];
    }

- (void)applicationDidEnterBackground:(UIApplication *)application {
    if (@available(iOS 14.0, *)) {
        [WidgetKitHelper reloadAllWidgets];
    }
}

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